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| 一种结合Freeman分解和散射熵的MRF多极化SAR影像分割算法 | |
| 引用本文： | 张斌,马国锐,刘国英,秦前清. 一种结合Freeman分解和散射熵的MRF多极化SAR影像分割算法[J]. 武汉大学学报(信息科学版), 2011, 36(9): 1064-1067 |
| 作者姓名： | 张斌 马国锐 刘国英 秦前清 |
| 作者单位： | 1. 武汉大学电子信息学院,武汉市珞喻路129号,430079／武汉大学测绘遥感信息工程国家重点实验室,武汉市珞喻路129号,430079 2. 武汉大学测绘遥感信息工程国家重点实验室,武汉市珞喻路129号,430079 3. 安阳师范学院计算机与信息工程学院,安阳市弦歌大道,455002 |
| 基金项目： | 国家自然科学基金资助项目(61001187,60602013,41001251,40971219) |
| 摘 要： | 针对多极化SAR图像,采用Freeman分解理论,将其分为表面散射、偶次散射、体散射、混合散射4种散射机制,并通过H/Alpha分解提取散射熵,将地物初始分为12类,并运用聚合的层次聚类算法对初始分类结果进行合并。利用Wishart分布对特征场进行建模,用模拟退火优化方法求取基于最大后验准则下的分割结果。 |
| 关 键 词： | 多极化合成孔径雷达 最大后验 Freeman分解 Wishart分布 MRF |
MRF-Based Segmentation Algorithm Combined with Freeman Decomposition and Scattering Entropy for Polarimetric SAR Images |
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| ZHANG Bin MA Guorui LIU Guoying QIN Qianqing. MRF-Based Segmentation Algorithm Combined with Freeman Decomposition and Scattering Entropy for Polarimetric SAR Images[J]. Geomatics and Information Science of Wuhan University, 2011, 36(9): 1064-1067 | |
| Authors: | ZHANG Bin MA Guorui LIU Guoying QIN Qianqing |
| Affiliation: | ZHANG Bin1 MA Guorui2 LIU Guoying3 QIN Qianqing2(1 School of Electronic Information,Wuhan University,129 Luoyu Road,Wuhan 430079,China)(2 State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing,China)(3 School of Computer and Information Engineering,Anyang Normal University,Xian'ge Road,Anyang 455002,China) |
| Abstract: | A new segmentation algorithm is proposed for polarimetric SAR images based on Markov random field combined with Freeman decomposition and scattering entropy.Firstly,Freeman decomposition theory is adopted to obtain four kinds of scattering characteristics,which are surface scattering,double scattering,volume scattering and mixed scattering,and scattering entropy is exacted by H/Alpha decomposition.Then,the terrain can be divided into 12 initial clusters.Secondly,an agglomerative hierarchical clustering algo... |
| Keywords: | polarimetric synthetic aperture radar maximum a posterior Freeman decomposition Wishart distribution Markov random field |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |